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Southeast Asia

$324+ Cheap flights from Portland (PDX) to Southeast Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
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Find flight deals from Portland to Southeast Asia

Cheapest flights from Portland to Southeast Asia
Explore the most affordable flight options available from Portland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.

This oojo deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/65:30 pmPDX - BKK
2 stops32h 00mMultiple Airlines
mar. 11/111:45 pmBKK - PDX
2 stops24h 52mMultiple Airlines
Deal found 11/3$778
This oojo deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/512:33 pmPDX - BKK
2 stops33h 32mChina Airlines
mié. 4/221:20 pmBKK - PDX
2 stops38h 11mChina Airlines
Deal found 11/4$779
This oojo deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/45:41 pmPDX - BKK
2 stops25h 09mChina Airlines
mar. 12/1610:55 amBKK - PDX
2 stops37h 41mChina Airlines
Deal found 11/5$781
This Ovago deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:30 pmPDX - BKK
2 stops32h 00mSTARLUX Airlines
jue. 11/205:40 pmBKK - PDX
2 stops45h 38mSTARLUX Airlines
Deal found 11/4$786
This oojo deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/233:57 pmPDX - BKK
2 stops29h 38mMultiple Airlines
mar. 12/235:40 pmBKK - PDX
2 stops45h 32mMultiple Airlines
Deal found 11/4$802
This oojo deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/175:55 pmPDX - BKK
2 stops40h 40mChina Airlines
dom. 11/302:35 amBKK - PDX
2 stops35h 25mChina Airlines
Deal found 11/4$803
This China Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/55:41 pmPDX - BKK
2 stops25h 09mMultiple Airlines
lun. 12/85:50 pmBKK - PDX
2 stops30h 46mMultiple Airlines
Deal found 11/6$810
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/267:38 pmPDX - SGN
2 stops35h 12mUnited Airlines
vie. 12/196:00 amSGN - PDX
2 stops31h 46mUnited Airlines
Deal found 11/6$815
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/63:54 pmPDX - SGN
2 stops40h 01mUnited Airlines
jue. 11/206:00 amSGN - PDX
3 stops33h 26mUnited Airlines
Deal found 11/6$819
This oojo deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/62:50 pmPDX - BKK
2 stops34h 55mChina Airlines
jue. 11/132:05 pmBKK - PDX
2 stops34h 35mChina Airlines
Deal found 11/5$825
This oojo deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1910:30 amPDX - BKK
2 stops32h 20mChina Airlines
sáb. 3/145:50 pmBKK - PDX
2 stops29h 45mChina Airlines
Deal found 11/4$826
This Ovago deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/55:30 pmPDX - BKK
2 stops28h 05mSTARLUX Airlines
mar. 11/111:45 pmBKK - PDX
2 stops20h 04mSTARLUX Airlines
Deal found 11/3$834

Cheap flight deals from Portland to Southeast Asia

Keep the following information in mind while searching for Portland to Southeast Asia flight deals. Data was last updated noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$779
(oojo)

One-way from

$324
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$981
Provider with most accurate pricing for Portland-Manila Ninoy Aquino Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Manila Ninoy Aquino Intl flights.
Search Deals
From Portland to Southeast Asia
Search Deals
One-way flight from Portland to Southeast Asia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 6, 2025.
Use the filters below to find and compare flights from Portland to Southeast Asia that are best for you.

Fly from

Portland

Fly to

Southeast Asia

Route

Depart

Return

Price

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

dom. 3/15

5:45 am-10:55 pm

3 stops27h 10m

Ho Chi Minh City

sáb. 4/4

7:00 am-12:54 am

2 stops31h 54m

$813

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

mié. 2/25

3:50 pm-10:55 pm

3 stops40h 05m

Ho Chi Minh City

vie. 3/27

6:00 am-6:45 pm

2 stops26h 45m

$813

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

sáb. 3/14

7:30 pm-10:55 pm

3 stops37h 25m

Ho Chi Minh City

sáb. 4/4

7:00 am-12:54 am

2 stops31h 54m

$813

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

lun. 3/16

7:30 pm-10:55 pm

3 stops37h 25m

Ho Chi Minh City

jue. 4/9

7:00 am-12:25 pm

3 stops43h 25m

$816

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

lun. 3/16

7:38 am-10:55 pm

2 stops25h 17m

Ho Chi Minh City

vie. 4/3

7:00 am-8:33 pm

2 stops27h 33m

$817

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

mar. 2/24

7:49 pm-10:55 pm

3 stops36h 06m

Ho Chi Minh City

sáb. 3/7

6:00 am-10:57 pm

2 stops31h 57m

$819

PortlandSingapore

PDX - SIN

PDXSIN

Portland

mié. 4/29

7:00 am-7:10 pm

1 stop21h 10m

Singapore Changi

mié. 5/13

9:15 am-1:36 pm

1 stop19h 21m

$824

PortlandSingapore

PDX - SIN

PDXSIN

Portland

dom. 2/1

2:57 pm-5:30 am

1 stop22h 33m

Singapore Changi

mié. 2/25

9:15 am-1:19 pm

1 stop20h 04m

$834

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

mié. 1/7

4:51 pm-10:25 am

2 stops26h 34m

Chiang Mai

mié. 2/11

11:25 am-11:32 pm

2 stops27h 07m

$854

PortlandManila

PDX - MNL

PDXMNL

Portland

dom. 4/5

7:49 pm-5:55 am

1 stop19h 06m

Manila Ninoy Aquino Intl

mar. 6/2

2:40 pm-6:46 pm

2 stops19h 06m

$859

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 60 results
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Best time to book a flight from Portland to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Southeast Asia

What is the cheapest month to book a flight from Portland to Southeast Asia?

Currently, July is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $227). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $840). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to YJX?

Find hourly flight availability from Portland to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 6, 2025.

When flying from Portland to Southeast Asia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight at noon.

What is the cheapest day to fly from Portland to Southeast Asia?

Use this chart to determine the cheapest time to fly round-trip from Portland to Southeast Asia. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Portland to Southeast Asia flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated noviembre 6, 2025.
Read reviews from past customers who have flown STARLUX Airlines, Korean Air, and United Airlines from Portland to Southeast Asia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
220 reviews

Food

8.7

Comfort

8.9

Crew

9.2

Entertainment

8.8

Overall

8.9

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very good
220 reviews
STARLUX Airlines
8.9
Very good
220 reviews

Food

8.7

Comfort

8.9

Crew

9.2

Entertainment

8.8

Overall

8.9

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Korean Air
8.4
Very good
1,160 reviews
STARLUX Airlines
8.9
Very good
220 reviews

Food

8.7

Comfort

8.9

Crew

9.2

Entertainment

8.8

Overall

8.9

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
United Airlines
7.4
Good
9,007 reviews
STARLUX Airlines
8.9
Very good
220 reviews

Food

8.7

Comfort

8.9

Crew

9.2

Entertainment

8.8

Overall

8.9

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Philippine Airlines
7.3
Good
932 reviews
STARLUX Airlines
8.9
Very good
220 reviews

Food

8.7

Comfort

8.9

Crew

9.2

Entertainment

8.8

Overall

8.9

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Air Canada
7.1
Good
10,416 reviews
STARLUX Airlines
8.9
Very good
220 reviews

Food

8.7

Comfort

8.9

Crew

9.2

Entertainment

8.8

Overall

8.9

Boarding

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Related info for your journey

Find useful and relevant information for your journey from Portland to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Southeast Asia?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Southeast Asia.

  • How long is the flight from Portland to Southeast Asia?

    A quick flight from Portland to Southeast Asia can take about 21h 10m. United Airlines provides one of the quickest options available for as low as $824. The distance from Portland to Southeast Asia is about 8123 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Portland to Southeast Asia one-way?

    The cheapest airlines for a one-way flight from Portland to Southeast Asia are Japan Airlines ($362), Philippine Airlines ($381), and United Airlines ($447).

  • What are the most popular routes from Portland to Southeast Asia?

    While some choose either Portland - Ho Chi Minh City or Portland - Manila Ninoy Aquino Intl, Portland - Bangkok Suvarnabhumi is the most popular route from Portland to Southeast Asia.

  • Can I find deals for flights from Portland to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Portland to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Southeast Asia.

  • Can I find deals for business class flights from Portland to Southeast Asia?

    Yes. Cheapflights offers flight deals from Portland to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Southeast Asia?

    Currently, July is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $227). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $840). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Haneda flights
Portland to Narita flights
Portland to Suvarnabhumi flights
Portland to Ho Chi Minh City flights
Boise to Suvarnabhumi flights
Boise to Narita flights
Boise to Haneda flights
Portland to Manila flights
Portland to Kansai Intl flights
Portland to Hong Kong flights
Portland to Incheon Intl flights
Portland to Hyderabad flights
Portland to Taiwan Taoyuan Intl flights
Portland to Mumbai flights
Portland to Bangalore flights
Portland to Hongqiao Intl flights
Eugene to Suvarnabhumi flights
Portland to Osaka Itami flights
Portland to Kuala Lumpur Intl flights
Portland to Gimpo Intl flights
Portland to Denpasar flights
Portland to Pu Dong flights
Medford to Suvarnabhumi flights
Portland to New Delhi flights
Portland to Don Mueang Intl flights
Portland to Sung Shan flights
Portland to Kathmandu flights
Portland to Capital flights
Portland to Colombo flights
Portland to Fukuoka flights
Portland to Kolkata flights
Redmond to Suvarnabhumi flights
Portland to Cochin flights
Portland to Okinawa flights
Portland to Surabaya flights
Portland to Kobe flights
Portland to Dhaka flights
Portland to Singapore flights
Portland to Chiang Mai flights
Portland to Chitose flights
Eugene to Haneda flights
Portland to Soekarno-Hatta Intl flights
Boise to Incheon Intl flights
Eugene to Taiwan Taoyuan Intl flights
Medford to Narita flights
Eugene to Narita flights
Portland to Da Nang flights
Portland to Nanning flights
Boise to Manila flights
Portland to Phuket City flights

Top 10 airlines flying from Portland to Southeast Asia

Discover the top 10 airlines that operate flights from Portland to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$1,092FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$694Average$1,008FlexibilityNo cancel feeOn-time67%
STARLUX AirlinesCheapest$769Average$940FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$776Average$960FlexibilityNo cancel feeOn-time79%
Singapore AirlinesCheapest$779Average$1,289FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$782Average$959FlexibilityNo cancel feeOn-time70%
ANACheapest$788Average$996FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$789Average$1,095FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$800Average$1,047FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$858Average$1,094FlexibilityNo cancel feeOn-time74%

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